If flipping two coins, what is the probability that both will land on “heads”?
a. 1/2
b. zero
c. 1/4
d. 1/8
c. 1/4
Biology & Microbiology
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Polysaccharides ____.
A. are composed of three linked monosaccharides B. contain only straight monomer chains C. are always made of glucose molecules D. may be insoluble and difficult to break down E. are formed by cleavage reactions
Biology & Microbiology
Which process uses the sun's energy to produce organic compounds and ATP from carbon dioxide and water?
A. Respiration B. Bioremidiation C. Photosynthesis
Biology & Microbiology
The empty center of a single pass transmembrane protein provides a channel for the transport of ions.
a. true b. false
Biology & Microbiology
The human placenta is formed by the interaction of uterine tissue and what extraembryonic tissue?
A. Chorion B. Yolk sac C. Embrion D. Allantois E. Amnion
Biology & Microbiology